Description

Cholanthrene CAS NO 479-23-2 is a high-purity polycyclic aromatic hydrocarbon (PAH) compound of significant interest in advanced chemical research and development. This compound serves as a critical intermediate and reference standard in the study of carcinogenic mechanisms and environmental toxicology. It is primarily utilized by research institutions, analytical laboratories, and specialty chemical manufacturers engaged in pharmaceutical development, environmental analysis, and material science.

Application

• Biochemical and Carcinogenicity Research: Used as a potent reference standard and model compound in studies investigating the mechanisms of chemical carcinogenesis and metabolic activation pathways.
• Analytical Reference Standard: Serves as a certified reference material (CRM) for the calibration of analytical instruments like HPLC, GC-MS, and fluorescence spectroscopy in environmental and forensic toxicology labs.
• Environmental Monitoring and Analysis: Employed as a standard for the detection and quantification of polycyclic aromatic hydrocarbons (PAHs) in soil, water, and air pollution studies.
• Pharmaceutical Intermediate: Acts as a key synthetic building block or a metabolite analog in the research and development of novel therapeutic agents and inhibitors.
• Material Science Research: Investigated for its photophysical properties in the development of organic semiconductors, dyes, and advanced organic materials.

Basic Information

Product Name	Cholanthrene
CAS No.	479-23-2
Molecular Formula	C21H14
Molecular Weight	266.34 g/mol
Synonyms	1,2-Dihydrocholanthrene; 3,4-Dihydrocholanthrene; 20-Methylcholanthrene; 3-Methylcholanthrene; Methylcholanthrene; MCA; NSC-21970
EINECS	207-531-5

Quality Control

Our Cholanthrene is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including identification by spectroscopic methods (IR, NMR) and purity determination by HPLC. A detailed Certificate of Analysis (COA) specifying the exact purity level, impurity profile, and physical characteristics is provided with every shipment to support your research and compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, prolonged exposure to light should be avoided.

Specification

Item	Specification
Appearance	Off-white to pale yellow crystalline powder
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 98.0%
Melting Point	179 - 182 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.